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Amazon.com: 4mm x 200mm x 200mm 7075 T651 Aluminum Sheet Metal Plate : Industrial & Scientific
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Amazon.com: 4mm x 200mm x 200mm 6061 Aluminum Plate Sheet : Industrial & Scientific
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Amazon.com: METALLIXITY 6063 Aluminum Tube (10mm OD x 4mm ID x 250mm L), Aluminum Round Tubing - for Home Furnishing, Machinery, DIY Handicraft : Industrial & Scientific